Angular 6 HttpClient – Upload Files/Download Files to MySQL with Node.js/Express RestAPIs
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loveprogramming viết ngày 02/04/2021

Angular 6 HttpClient – Upload Files/Download Files to MySQL with Node.js/Express RestAPIs – using Multer + Sequelize ORM

https://grokonez.com/frontend/angular/angular-6/angular-6-httpclient-upload-files-download-files-to-mysql-with-node-js-express-restapis-using-multer-sequelize-orm

In the tutorial, we show how to upload files, download files from Angular 6 Client to MySQL with Node.js RestAPIs server using Multer middleware and Sequelize ORM.

Related posts:

Technologies

  • Angular 6
  • RxJS 6
  • Bootstrap 4
  • Visual Studio Code – version 1.24.0
  • Nodejs – v8.11.3
  • Multer
  • Sequelize
  • MySQL

Overview

We create 2 projects: {Node.js, Angular}

Node.js RestAPIs

Project structure ->

angular-6-http-client-upload-files-to-nodejs-rest-api-sequelize-mysql + nodejs-project-structure

– Node.js project exposes RestAPIs to upload/download files:

  • router.post('/api/file/upload', upload.single("file"), fileWorker.uploadFile);
  • router.get('/api/file/all', fileWorker.listAllFiles);
  • router.get('/api/file/:id', fileWorker.downloadFile);

Configure cross-origin for Angular-Client which running at port: 4200.


const cors = require('cors')
const corsOptions = {
  origin: 'http://localhost:4200',
  optionsSuccessStatus: 200
}
app.use(cors(corsOptions))

Upload File ->

https://grokonez.com/frontend/angular/angular-6/angular-6-httpclient-upload-files-download-files-to-mysql-with-node-js-express-restapis-using-multer-sequelize-orm

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